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386AX-384DC TDO (Two-Row Double-Outer Race) (Imperial)

386AX-384DC TDO (Two-Row Double-Outer Race) (Imperial)

The 386AX-384DC is a double-row tapered roller bearing with a 1.875″ bore and 3.937″ outer diameter, built from sturdy chrome steel. It handles combined loads up to 35600 lbf and is designed for long-lasting performance.

Its open design allows easy lubrication, while the steel cage ensures smooth operation. The bearing works in temperatures from -30°C to 110°C, making it versatile for various conditions.

This model is part of the 385 series, with standard radial clearance and ABEC-1 precision. Ideal for heavy-duty applications like industrial gearboxes or vehicle axles where combined loads are common.

Weighing 3.89 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 386AX-384DC
  • Brand TFL
  • Size 1.875" x 3.937" x 0.864"
  • Bore Dia 1.875"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.937"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 1.6875"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 0.864"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.0624"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.2"
  • Cup Frontface Backing Diameter 3.68"
  • Cage Cone Backface Clearance 0.03"
  • Dynamic Radial Load 35600 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 386AX
  • Cup Part Number 384DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 385
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 5300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 3210 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 9230 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 3.890 lb

Features

Performance Features of 386AX-384DC Bearing

386AX-384DC Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 35,600 lbf, ensuring reliable performance in demanding conditions.

The double-row tapered roller design enhances stability and load distribution.
With a standard radial clearance, it provides smooth operation across various applications.

386AX-384DC Bearing operates efficiently within a temperature range of -30° to 110°C.
Its steel cage maintains roller alignment, reducing wear and extending service life.

The open seal design allows for easy lubrication and maintenance.
This bearing is suitable for applications requiring durability and precision.

Application

Industrial Uses of 386AX-384DC Bearing
The 386AX-384DC Bearing is commonly used in heavy machinery, such as construction equipment and mining vehicles, where its double-row design handles combined radial and thrust loads effectively.
Its chrome steel construction ensures durability in harsh environments, making it a reliable choice for long-term use.

Where Is 386AX-384DC Bearing Used?
You’ll often find the 386AX-384DC Bearing in automotive applications like truck wheel hubs, where its tapered roller design supports high loads.
The inch sizing makes it compatible with many North American industrial and automotive standards.

Built for Heavy-Duty Use: 386AX-384DC Bearing
This bearing excels in agricultural machinery, such as tractors and harvesters, thanks to its robust steel cage and high dynamic load capacity.
The open seal type allows for easy lubrication, extending its service life in dusty conditions.

Automotive vs Aerospace: Applications of 386AX-384DC Bearing
In automotive systems, the 386AX-384DC Bearing is ideal for axles and differentials, providing smooth performance under heavy loads.
For aerospace ground equipment, its precision and reliability make it suitable for landing gear maintenance tools.

Key Fields for 386AX-384DC Bearing
The 386AX-384DC Bearing is a go-to choice for industrial fans and pumps, where its tapered rollers reduce friction and improve efficiency.
Its standard radial clearance options ensure it fits seamlessly into various mechanical setups.

Q&A

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